228008720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{91939}}^1$

素因数の和:91983

約数の個数: 40

約数和(自身を含む): 547226880

約数和(自身を除く): 319218160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 91939, 183878, 367756, 459695, 735512, 919390, 1471024, 1838780, 2850109, 3677560, 5700218, 7355120, 11400436, 14250545, 22800872, 28501090, 45601744, 57002180, 114004360, 228008720]

約数ペア:

[(1, 228008720), (2, 114004360), (4, 57002180), (5, 45601744), (8, 28501090), (10, 22800872), (16, 14250545), (20, 11400436), (31, 7355120), (40, 5700218), (62, 3677560), (80, 2850109), (124, 1838780), (155, 1471024), (248, 919390), (310, 735512), (496, 459695), (620, 367756), (1240, 183878), (2480, 91939)]